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Thread: Email sometimes goes first time, other times it doesn't

  1. #21
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    No, your internal DNS server should be able to do those lookups.. What happens when you do something like

    Code:
    dig google.co.uk @8.8.8.8
    Depending upon how logs are setup, you might find recursion access denied errors in your BIND logs.

  2. #22
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    Hmmm strangely enough, that bit works.....

    Code:
    [root@smtp ~]# dig google.co.uk @8.8.8.8
    
    ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> google.co.uk @8.8.8.8
    ;; global options:  printcmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7834
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
    
    ;; QUESTION SECTION:
    ;google.co.uk.			IN	A
    
    ;; ANSWER SECTION:
    google.co.uk.		300	IN	A	173.194.36.104
    
    ;; Query time: 119 msec
    ;; SERVER: 8.8.8.8#53(8.8.8.8)
    ;; WHEN: Wed Jul 28 09:19:36 2010
    ;; MSG SIZE  rcvd: 46
    
    [root@smtp ~]#
    and also

    Code:
    [root@smtp ~]# dig bbc.co.uk @8.8.8.8
    
    ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> bbc.co.uk @8.8.8.8
    ;; global options:  printcmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4197
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
    
    ;; QUESTION SECTION:
    ;bbc.co.uk.			IN	A
    
    ;; ANSWER SECTION:
    bbc.co.uk.		44	IN	A	212.58.224.138
    
    ;; Query time: 48 msec
    ;; SERVER: 8.8.8.8#53(8.8.8.8)
    ;; WHEN: Wed Jul 28 09:21:07 2010
    ;; MSG SIZE  rcvd: 43
    
    [root@smtp ~]#
    I'm going to rebuild BIND from scratch a little later..............

  3. #23
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    :-(

    BIND is now working correctly and my previous failed tests are now successful

    However my initial problem persists.............

  4. #24
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    Hmm.. everything seems to be ok and the addresses look valid.

    Most of the reading I've done on this indicates that issues like this could point to a bad network connection. Does it show any errors when you do an ifconfig on the box by chance?

  5. #25
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    Code:
    [root@smtp ~]# ifconfig
    eth0      Link encap:Ethernet  HWaddr 00:1E:C9:DE:3E:49
              inet addr:192.168.14.11  Bcast:192.168.14.255  Mask:255.255.255.0
              inet6 addr: fe80::21e:c9ff:fede:3e49/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:9000  Metric:1
              RX packets:11360861 errors:0 dropped:0 overruns:0 frame:0
              TX packets:11826836 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000
              RX bytes:667498342 (636.5 MiB)  TX bytes:3923139094 (3.6 GiB)
              Interrupt:201 Memory:ec000000-ec012800
    
    lo        Link encap:Local Loopback
              inet addr:127.0.0.1  Mask:255.0.0.0
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:16436  Metric:1
              RX packets:28526908 errors:0 dropped:0 overruns:0 frame:0
              TX packets:28526908 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0
              RX bytes:3557407259 (3.3 GiB)  TX bytes:3557407259 (3.3 GiB)
    
    [root@smtp ~]#
    No errors here - this is beginning to get really annoying!

    I'm going to change patch leads and switch ports later and see what happens

  6. #26
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    Still no change after changing (and testing) patch leads and changing ports on the switch.

    I've been using Outlook today and so far every send and send/receive has completed first time, every time and very quickly which makes me think something is broken with the webUI
    Last edited by RevDarkman; 08-03-2010 at 03:32 AM.

  7. #27
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    Default Bounty anyone?

    Anyone fancy getting paid to fix this?

  8. #28
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    Anyone here with god-like status of reading Wireshark output?

    I've been monitoring a sample of the desktops and have come across an error which is present when the web client cannot send.

    It states...

    Code:
    Checksum: 0x9f7e [incorrect, should be 0x4bee (maybe caused by "TCP checksum offload"?)]
    ... when I get the error.

    I'd be happy to forward the capture file if anyone cares to have a look.


    I don't fancy going round all desktops and disabling the Offload on each adapter as stated here....

    Wireshark Question: "TCP checksum offload" - Tech Support Forum

    ...not that it makes any difference.....

  9. #29
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    It would probably be useful to disable that on at least one of the desktops to at least narrow it down. The other thing is, it could be happening on the server-side..

  10. #30
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    Tested and made no difference :-(

    Now onto further clues, when I get the error, /var/log/zimbra.log reports nothing....

    Code:
    ep  7 12:40:01 smtp zimbramon[3682]: 3682:info: 2010-09-07 12:40:01, QUEUE: 4 2
    Sep  7 12:40:05 smtp zmmailboxdmgr[4215]: status requested
    Sep  7 12:40:05 smtp zmmailboxdmgr[4215]: status OK
    Sep  7 12:40:44 smtp zmmailboxdmgr[5263]: status requested
    Sep  7 12:40:44 smtp zmmailboxdmgr[5263]: status OK
    Sep  7 12:40:45 smtp zmmailboxdmgr[5333]: status requested
    Sep  7 12:40:45 smtp zmmailboxdmgr[5333]: status OK
    And, as I understand, this log is the postfix log.

    However at the same time, /opt/zimbra/log/mailbox.log does this....

    Code:
    2010-09-07 12:42:41,725 INFO  [btpool0-129://smtp.anheddau.co.uk/service/soap/SendMsgRequest] [name=ifan@anheddau.co.uk;mid=3;ip=192.168.14.186;ua=ZimbraWebClient - FF3.0 (Win)/6.0.7_GA_2473.RHEL5;] SoapEngine - handler exception
    com.zimbra.cs.mailbox.MailServiceException: Invalid address: ifan <ifan@anheddau.co.uk>.  com.zimbra.cs.mailbox.MailSender$SafeSendFailedException: Invalid Addresses; chained exception is:
            com.sun.mail.smtp.SMTPAddressFailedException: 550 5.7.1 Unable to relay for ifan@anheddau.co.uk
    
    ExceptionId:btpool0-129://smtp.anheddau.co.uk/service/soap/SendMsgRequest:1283859761724:4e2a5f778366a8e3
    Code:mail.SEND_ABORTED_ADDRESS_FAILURE Arg:(invalid, STR, "ifan <ifan@anheddau.co.uk>")
            at com.zimbra.cs.mailbox.MailServiceException.internal_SEND_FAILURE(MailServiceException.java:455)
            at com.zimbra.cs.mailbox.MailServiceException.SEND_ABORTED_ADDRESS_FAILURE(MailServiceException.java:459)
            at com.zimbra.cs.mailbox.MailSender.sendMimeMessage(MailSender.java:462)
            at com.zimbra.cs.mailbox.MailSender.sendMimeMessage(MailSender.java:309)
            at com.zimbra.cs.mailbox.MailSender.sendMimeMessage(MailSender.java:266)
            at com.zimbra.cs.service.mail.SendMsg.doSendMessage(SendMsg.java:189)
            at com.zimbra.cs.service.mail.SendMsg.handle(SendMsg.java:150)
            at com.zimbra.soap.SoapEngine.dispatchRequest(SoapEngine.java:420)
            at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.java:274)
            at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.java:158)
            at com.zimbra.soap.SoapServlet.doWork(SoapServlet.java:291)
            at com.zimbra.soap.SoapServlet.doPost(SoapServlet.java:212)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
            at com.zimbra.cs.servlet.ZimbraServlet.service(ZimbraServlet.java:181)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
            at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
            at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
            at com.zimbra.cs.servlet.SetHeaderFilter.doFilter(SetHeaderFilter.java:79)
            at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
            at org.mortbay.servlet.UserAgentFilter.doFilter(UserAgentFilter.java:81)
            at org.mortbay.servlet.GzipFilter.doFilter(GzipFilter.java:132)
            at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
            at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
            at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
            at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
            at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
            at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
            at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
            at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
            at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
            at org.mortbay.jetty.handler.rewrite.RewriteHandler.handle(RewriteHandler.java:230)
            at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
            at org.mortbay.jetty.handler.DebugHandler.handle(DebugHandler.java:77)
            at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
            at org.mortbay.jetty.Server.handle(Server.java:326)
            at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:543)
            at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:939)
            at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
            at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
            at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405)
            at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
            at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:451)
    Caused by: com.zimbra.cs.mailbox.MailSender$SafeSendFailedException: Invalid Addresses; chained exception is:
            com.sun.mail.smtp.SMTPAddressFailedException: 550 5.7.1 Unable to relay for ifan@anheddau.co.uk
    
            at com.sun.mail.smtp.SMTPTransport.rcptTo(SMTPTransport.java:1446)
            at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:736)
            at com.zimbra.cs.mailbox.MailSender.sendMessageToHost(MailSender.java:780)
            at com.zimbra.cs.mailbox.MailSender.sendMessage(MailSender.java:700)
            at com.zimbra.cs.mailbox.MailSender.sendMimeMessage(MailSender.java:412)
            ... 39 more

    Now I would have thought, that the error:

    Code:
    SendFailedException: Invalid Addresses; chained exception is:
            com.sun.mail.smtp.SMTPAddressFailedException: 550 5.7.1 Unable to relay for ifan@anheddau.co.uk
    Would have come from the SMTP server, but if zimbra log hasn't said anything, therefore the SMTP server hasn't said anything, or even been interrogated, why is the SOAP/Java object complaining, and where is it getting this incorrect information from?

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